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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-184.324100
Energy at 298.15K 
HF Energy-184.324100
Nuclear repulsion energy87.377817
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3469 3469 0.00 427.57 0.32 0.48
2 Ag 2199 2199 0.00 26.27 0.34 0.50
3 Ag 1269 1269 0.00 37.57 0.74 0.85
4 Ag 963 963 0.00 27.08 0.25 0.39
5 Ag 312 312 0.00 1.19 0.24 0.38
6 Au 965 965 88.10 0.00 0.00 0.00
7 Au 236 236 0.19 0.00 0.00 0.00
8 Bg 697 697 0.00 17.86 0.75 0.86
9 Bu 3468 3468 12.17 0.00 0.00 0.00
10 Bu 1783 1783 21.10 0.00 0.00 0.00
11 Bu 1235 1235 297.95 0.00 0.00 0.00
12 Bu 292 292 4.15 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8443.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8443.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/STO-3G
ABC
7.10987 0.13826 0.13562

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.306 -0.582 0.000
C2 -0.306 0.582 0.000
N3 0.306 -1.870 0.000
N4 -0.306 1.870 0.000
H5 1.328 -2.209 0.000
H6 -1.328 2.209 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31531.28782.52701.92083.2338
C21.31532.52701.28783.23381.9208
N31.28782.52703.78931.07614.3935
N42.52701.28783.78934.39351.0761
H51.92083.23381.07614.39355.1539
H63.23381.92084.39351.07615.1539

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 152.240 C1 N3 H5 108.360
C2 C1 N3 152.240 C2 N4 H6 108.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.057      
2 C 0.057      
3 N -0.249      
4 N -0.249      
5 H 0.191      
6 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.659 -6.363 0.000
y -6.363 -22.986 0.000
z 0.000 0.000 -20.604
Traceless
 xyz
x 4.136 -6.363 0.000
y -6.363 -3.855 0.000
z 0.000 0.000 -0.281
Polar
3z2-r2-0.562
x2-y25.327
xy-6.363
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.358 -2.503 0.000
y -2.503 7.325 0.000
z 0.000 0.000 0.780


<r2> (average value of r2) Å2
<r2> 81.478
(<r2>)1/2 9.027